Sky Watcher Heritage 130 Tabletop Dobsonian Black/White. Collectable International Year of Astronomy Special Edition. Perfect gift idea for the little astronomers or anyone curious enough to look up and wonder. Extreme portability: Tube collapses to only 14.5" long. Total weight less than 14lbs Collapsible truss-tube design no disassembling and collimation required between uses Aluminized paraboloidal mirrors providing sharp and detailed images Enough light gathering power to provide outstanding resolution and bright image Great all-around astronomical viewing performance Diameter: 130mm Focal length: 650mm F/ratio: F/5 Features/Specifications: 130mm Collapsible optical tube 650mm (f/5) Table top dobsonian mound with carry handle 25mm and 10mm 1.25" Super eyepieces 1.25" Helical focuser Red dot finder Specifications for Sky Watcher Heritage 130 Tabletop Dobsonian: Manufacturer: Sky Watcher Color: Black/White Objective Lens Diameter: 130 mm Focal Length: 650 mm Focal Ratio: f/5 Condition: New Package Contents: Sky Watcher Heritage 130 Tabletop Dobsonian Sky Watcher S11705: Heritage 130 Tabletop Dobsonian Black/White